public FilterViewModelBase(string category, PageSizeFilter pageSizeFilter, SortFilter sortFilter, ProducersFilter producersFilter, PageFilter pageFilter, GroupFilter groupFilter)
: this(pageSizeFilter, sortFilter, pageFilter)
{
this.ProducersFilter = producersFilter;
this.GroupsFilter = groupFilter;
this.Filters.Add(producersFilter);
this.Filters.Add(groupFilter);
this.Category = category;
}
public ActionResult Index(string category, PageSizeFilter pageSizeFilter, SortFilter sortFilter,
ProducersFilter producerFilter, PageFilter pageFilter,
[ModelBinder(typeof(GroupFilterBinder))] GroupFilter groupFilter)
{
try
{
var url = ProducerRedirect.GetUrl(Request.Url, category, producerFilter);
if (url != string.Empty)
{
return RedirectPermanent(url);
}
ViewModel = new FilterViewModelBase(category, pageSizeFilter, sortFilter, producerFilter, pageFilter,
groupFilter);
var categoryObj = categoryRepository.Find(category);
if (categoryObj == null)
{
throw new Exception("Invalid category name.");
}
ViewModel.CategoryObj = categoryObj;
IQueryable<Product> entities = productRepository.GetProductsWithProducerByProductName(category);
entities = StartInitialize(entities);
EndInitialize(entities);
return View(ViewModel);
}
catch (Exception e)
{
Logger.Error(e);
return RedirectToAction("index", "error", new { statusCode = 404 });
}
}
public static string GetUrl(Uri url, string category, ProducersFilter producersFilter)
{
var collection = HttpUtility.ParseQueryString(url.Query);
var sb = new StringBuilder();
if (!url.LocalPath.EndsWith("/"))
{
sb.Append('/');
sb.Append(category);
sb.Append('/');
}
var names = new List<string>();
separator = ";";
if (producersFilter.ParsedProducers.Any(o => o.Contains(separator)))
{
foreach (var item in producersFilter.ParsedProducers)
{
if (item.Contains(separator))
{
names.AddRange(item.Split(new[] { separator }, StringSplitOptions.RemoveEmptyEntries));
}
else
{
names.Add(item);
}
}
names = names.Select(o => o.ToLower()).Distinct().ToList();
}
else
{
if ((!url.ToString().Contains("producers")))
{
return string.Empty;
}
}
string[] productNames = names.ToArray();
var pr = collection.Get("producers");
if (pr != null)
{
productNames = pr.Split(new[] { "-" }, StringSplitOptions.RemoveEmptyEntries);
}
sb.Append(string.Join("-", productNames));
var isFirst = true;
foreach (var item in collection.Keys)
{
var key = item.ToString();
var value = collection.Get(key);
if (key == "producers")
{
continue;
}
if (isFirst)
{
sb.Append('?');
isFirst = false;
}
else
{
sb.Append('&');
}
sb.Append(key);
sb.Append('=');
sb.Append(value);
}
return sb.ToString().ToLower();
}